05.07.2009
Non-toxic gas trademarked by Dupont and used in refrigerators since 1929 when it replaced the use of toxic gases such as ammonia, methyl chloride and sulfur dioxide as refrigerants
Non-toxic gas trademarked by Dupont and used in refrigerators since 1929 when it replaced the use of toxic gases such as ammonia, methyl chloride and sulfur dioxide as refrigerants